Equations

The sum of a number k and 5 is 11.

• 5k = 11

• 5 - k =11

• 5/k = 11

• 5 + k = 11

The difference of a number x and 2 is 7.

• x - 2 = 7

• x + 2 = 7

• 2x = 7

• 2/x = 7

7 times a number a is 42.

• 7a = 42

• 7 + a = 42

• 7/a = 42

• 7 - a = 42

A number z divided by 7 equals 4

• z + 7 = 4

• z - 7 = 4

• 7z = 4

• z/7 = 4

5 more than a number m is the same as 8

• m - 5 = 8

• m + 5 = 8

• 5m = 8

• m/5 = 8

Solve for x

x + 4 = 10

• 2

• 6

• 10

• 11

A number five times is twenty five.

• 3x = 25

• 4x = 25

• 5x = 25

• 6x = 24

The sum of x and ten is twenty.

• x - 10 = 20

• x + 10 = 20

• x + 10 = 25

• 10x = 20

A number minus 9 is twelve.

• x - 9 = 12

• 9 - x = 12

• x - 9 = 13

• 9 - x = 14

Five less than a number n is thirty four.

• 5 - n = 36

• n - 5 = 35

• 5 - n = 34

• n - 5 = 34